I have installed them on Deerslayer and Jade. Good Idea but execution is wanting. I used Kuryakyn pegs and clamps and cut off the stanchions for the footpegs they provided. Also replaced the pull rod on the brake side and the intermediate link rod on the shifter - added Heim joints to both. Both these installs also have the shifter anchor mod which was incorporated into the BBF mod. After these mods they work great and never needed adjustment afterward in thousands of road miles. You need some fab skills and a MIG welder.
https://www.youtube.com/watch?v=ltgVugCRfFgHere's the shifter side on Jade. You can see the anchor mod using the parts from McMaster-Carr as outlined at
http://www.valkyrieforum.com/bbs/index.php/topic,81509.0.html:

BTW I just returned from Inzane on Jade pulling a trailer for 4400 miles. No adjustment needed on the fwd controls until I accidentally dropped it on the left side at a gas stop. Parked it on a downhill grade in neutral, rolled off the sidestand. Knocked the shifter throw off a mite as it landed on the shifter. Took me 5 minutes to set it right again using my turnbuckle mod with Heim joints. Pretty robust, I'd say.